TM 11-6125-261-30
Table 3-8. Physical Inspection
Test procedure
Performance standard
a. Inspect all assemblies for loose or missing screws.
a.
Screws shall be tight; none missing.
b. Inspect all surfaces for dents, scratches or gouges.
b.
There shall be no dents, scratches or gouges.
c. Inspect all painted surfaces for chips or excessive wear.
c.
There shall be no chips or sign of excessive wear.
d. Inspect all electronic connections and electronic
d.
All connections shall be coated with HYSOL 22H.
components for fungus proofing.
3-14. Final Test for Inverter.
(2) Turn power supply output voltage to zero before
a. Test Equipment and Materials. Test equipment and
connecting supply to inverter.
materials shall be as shown in test fixture parts list table 3-5
and test equipment list (table 3-4).
d. Procedure. Tests shall be performed in the order
presented in table 3-9 and meet the referenced test
b. Test Connections and Conditions. Connect test
specifications shown in table 3-10. The inverter has no
equipment and material as shown in figure FO-6.
external adjustments. If it fails any of the tests, stop testing
c. Initial Test Equipment Settings.
and perform troubleshooting in accordance with table 3-6
(1) Activate all test equipment and let stabilize for
or adjustments in table 3-7.
one-half hour.
Table 3-9. Final Test Procedures
Control settings
Performance standard
Test procedure
Step
Test
Equipment
No.
under test
Equipment
a. Set output load conditions. Switches shall
Refer to column 2,N/A
1
be as described in table 3-10, column 2.
b. Adjust input voltage to .5v of table 3-10
listing. Voltage shall be as described in table
3-10, column 3.
c. Adjust output. Output current shall be as
shown in table 3-10, column 5.
Refer to table 3-10, columns 4,5, 6,7,8
d. Measure and record:
for limits.
(1) Input current
(2) Output current for three phases
(3) Output voltages for three phases
(4) Frequency of any one phase
(5) Total harmonic distortion for
three phases
Repeat steps la through le until all sections of Tests will be performed in the order presented
2
Refer to column 2, N/A
in table 3-10.
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